High resolution adaptive estimator of sinusoidal based on covariance matrix reconstruction.
Xiaowei QianWei LiangZiqiao ChenZexuan ZhangXintong ZhangZhong ChenYulan LinPublished in: Signal Process. (2023)
Keyphrases
- covariance matrix
- high resolution
- high frequency
- covariance matrices
- low resolution
- estimation error
- sample size
- principal component analysis
- super resolution
- maximum likelihood
- mahalanobis distance
- gaussian mixture
- correlation matrix
- objective function
- geometrical interpretation
- eigenvalues and eigenvectors
- eigendecomposition
- recursive least squares
- image reconstruction
- simulated annealing
- multivariate gaussian
- pseudo inverse
- positive definite
- image processing
- cma es
- lower bound
- least squares
- transformation matrix
- magnetic resonance images
- symmetric matrix
- medical images
- convergence speed